From b7c6661c76db66d4158875c60bdf37525b080d86 Mon Sep 17 00:00:00 2001
From: mazmazz <mar.marcoz@outlook.com>
Date: Sun, 4 Nov 2018 20:16:33 -0500
Subject: [PATCH 1/2] Add MTF_EXTRA flag to monitors, to run linedef exec  by
 Angle (Tag + 16384) upon pop

---
 src/p_enemy.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/p_enemy.c b/src/p_enemy.c
index 8088c20a8..15608f57f 100644
--- a/src/p_enemy.c
+++ b/src/p_enemy.c
@@ -3324,6 +3324,11 @@ void A_MonitorPop(mobj_t *actor)
 			newmobj->sprite = SPR_TV1P;
 		}
 	}
+
+	// Run a linedef executor immediately upon popping
+	// You may want to delay your effects by 18 tics to sync with the reward giving
+	if (actor->spawnpoint && (actor->spawnpoint->options & MTF_EXTRA) && (actor->spawnpoint->angle & 16384))
+		P_LinedefExecute((actor->spawnpoint->angle & 16383), actor->target, NULL);
 }
 
 // Function: A_GoldMonitorPop

From eb204b6cc44a7d3bf9f16859274b186b2ad41847 Mon Sep 17 00:00:00 2001
From: mazmazz <mar.marcoz@outlook.com>
Date: Mon, 5 Nov 2018 07:41:02 -0500
Subject: [PATCH 2/2] Add exec to GoldMonitorPop; transfer Angle tag to
 mobj->lastlook for Lua compat

---
 src/p_enemy.c |  9 +++++++--
 src/p_mobj.c  | 10 ++++++++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/p_enemy.c b/src/p_enemy.c
index 15608f57f..6fee7d2f0 100644
--- a/src/p_enemy.c
+++ b/src/p_enemy.c
@@ -3327,8 +3327,8 @@ void A_MonitorPop(mobj_t *actor)
 
 	// Run a linedef executor immediately upon popping
 	// You may want to delay your effects by 18 tics to sync with the reward giving
-	if (actor->spawnpoint && (actor->spawnpoint->options & MTF_EXTRA) && (actor->spawnpoint->angle & 16384))
-		P_LinedefExecute((actor->spawnpoint->angle & 16383), actor->target, NULL);
+	if (actor->spawnpoint && actor->lastlook)
+		P_LinedefExecute(actor->lastlook, actor->target, NULL);
 }
 
 // Function: A_GoldMonitorPop
@@ -3412,6 +3412,11 @@ void A_GoldMonitorPop(mobj_t *actor)
 			newmobj->sprite = SPR_TV1P;
 		}
 	}
+
+	// Run a linedef executor immediately upon popping
+	// You may want to delay your effects by 18 tics to sync with the reward giving
+	if (actor->spawnpoint && actor->lastlook)
+		P_LinedefExecute(actor->lastlook, actor->target, NULL);
 }
 
 // Function: A_GoldMonitorRestore
diff --git a/src/p_mobj.c b/src/p_mobj.c
index 717bb92b6..2450fb801 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -10894,6 +10894,16 @@ ML_EFFECT4 : Don't clip inside the ground
 		mobj->flags2 |= MF2_OBJECTFLIP;
 	}
 
+	// Extra functionality
+	if (mthing->options & MTF_EXTRA)
+	{
+		if (mobj->flags & MF_MONITOR && (mthing->angle & 16384))
+		{
+			// Store line exec tag to run upon popping
+			mobj->lastlook = (mthing->angle & 16383);
+		}
+	}
+
 	// Final set of not being able to draw nightsitems.
 	if (mobj->flags & MF_NIGHTSITEM)
 		mobj->flags2 |= MF2_DONTDRAW;